many error why ?

[zeroman_z_]

35	Expected a conditional expression and instead saw an assignment. (W084)	if (o=0){
51	Expected a conditional expression and instead saw an assignment. (W084)	if (vo=0)
54	Expected an assignment or function call and instead saw an expression. (W030)	qo++;
65	Expected a conditional expression and instead saw an assignment. (W084)	if (b=0) {
77	Expected a conditional expression and instead saw an assignment. (W084)	if (b=0) { how can i solve it ?

[Chris_P_Intel]

In Javascript  =  assigns a variable.  And == compares them.

So you wanted:

if (o == 0){ 

}

etc.

[zeroman_z_]

54
Expected an assignment or function call and instead saw an expression. (W030)
qo++;  

???

[Chris_P_Intel]

is this a minified file?   If so, you should probably ignore the JSHint warnings.